(19)
(11) EP 0 399 173 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.10.1991 Bulletin 1991/40

(43) Date of publication A2:
28.11.1990 Bulletin 1990/48

(21) Application number: 90105638.2

(22) Date of filing: 24.03.1990
(51) International Patent Classification (IPC)5: G09F 9/33, G09F 9/35, H04N 9/30
(84) Designated Contracting States:
DE FR

(30) Priority: 25.05.1989 JP 130074/89

(71) Applicant: Stanley Electric Co., Ltd.
Meguro-ku Tokyo 153 (JP)

(72) Inventors:
  • Kashiwabara, Houichiro
    Hino-shi, Tokyo (JP)
  • Akiyma, Ryouichi
    Kawasaki-shi, Kanagawa-ken (JP)
  • Nakagawa, Satoshi
    Shibuya-ku, Tokyo (JP)
  • Yoneda, Koutaro
    Midori-ku, Yokohama-shi, Kanagawa-ken (JP)
  • Funakoshi, Izumi
    Yokohama-shi, Kanagawa-ken (JP)

(74) Representative: Flach, Dieter Rolf Paul, Dipl.-Phys. et al
Patentanwälte Andrae/Flach/Haug/Kneissl Prinzregentenstrasse 24
D-83022 Rosenheim
D-83022 Rosenheim (DE)


(56) References cited: : 
   
       


    (54) Color display device


    (57) A color display device comprises a blue color emitting light source consisting of a blue color emitting fluorescent lamp (1) or a white color emitting fluorescent lamp attached with a blue color filter, and a liquid crystal panel (2) for controlling the transmission of the blue color light for every pixel, wherein one end of every optical fiber (5) provided for every pixel is fixed to a position on a printed board (4) where every blue color signal for every pixel passing through said liquid crystal panel (2) can be incident, and the other end thereof is fixed to a corresponding position on a printed board (6) on which a red color emitting LED (8) and a green color emitting LED (9) are mounted for every pixel, to have a full-color display by controlling the drive of said red color emitting LED (8), green color emitting LED and liquid crystal panel (2).






    Search report